Rice cooker



FIG. 1 is a front perspective view of a rice cooker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of the unshaded elements of the rice cooker represents unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a rice cooker, as shown and described. 